mouth or nose because you breath throuth your mouth and nose to survive
Oranges are healthy because they have vitamin C in them which is good for your immune system.
Milk is healthy because it has calcium which is good for your bones.
Fish is healthy because is has vitamin B which promotes cell health.
There are many ways to solve arachnophobia... I recommend giving some of those a try.
Answer:
The suffix-trophy variously means nourishment, feeding and growth.